<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>注册登录页面</title>
</head>
<body>
<h1>登录</h1>
<h2>你好 {{username}}</h2>
<form action="/login" method="post">
    <input type="text" name="username" placeholder="请输入用户名">
    <br>
    <input type="text" name="password" placeholder="请输入密码">
    <br>
    <button type="submit">登录</button>
</form>
<h3>{{result}}</h3>
</body>
</html>